I assume you want to know "the number"?
we can write down what you said like this:
200-3x=9
where x is the number.
200-3x=9//moving variables to the left, rest to the right
-3x=9-200//multiply by-1
3x=191//divide by 3
x=63 [tex] \frac{2}{3} [/tex]
and that is the answer
